477885 (2011 JT9)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5185451094 ± 4.29e-08
Semi-major axis (a)2.6951360659 AU ± 1.24e-08
Inclination (i)19.05131166° ± 4.05e-06
Long. of Asc. Node (Ω)118.94512835° ± 8.01e-06
Arg. of Perihelion (ω)185.31023648° ± 1.22e-05
Mean Anomaly (M)69.13277656° ± 3.51e-06
Mean Motion (n)0.2227620637°/day ± 1.53e-09
Perihelion dist (q)1.29758644 AU ± 1.16e-07
Aphelion dist (Q)4.09268569 AU ± 1.17e-07
Orbital Period4.42456973 yr ± 3.05e-08
Physical Parameters
H (abs. magnitude)17.25
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.316″
Uncertainty0
Orbit TypeAmor
MOID0.281108 AU
Observations Used817
Oppositions14
Arc Total2007-2025
First Observation Used2007-11-11
Last Observation Used2025-12-15
Observations (1102)
Date Type RA Dec Mag Band Observatory
2020-05-24 11:25:48 C 17 04 47.30 +17 24 06.6 V T08
2020-05-24 11:37:03 C 17 04 47.04 +17 24 08.0 V T08
2020-05-24 11:55:18 C 17 04 46.67 +17 24 09.4 V T08
2020-05-24 12:14:16 S 17 05 20.530 +17 23 19.57 V C57
2020-05-24 12:14:16 s 1 -189351.57 4 +173166.25 4750.0 C57
2020-05-24 13:14:16 S 17 05 19.243 +17 23 26.88 V C57
2020-05-24 13:14:16 s 1 -189263.71 3 +168841.31 440.0 C57
2020-05-24 14:44:16 S 17 05 17.378 +17 23 39.19 V C57
2020-05-24 14:44:16 s 1 -189018.41 2 +162253.67 4630.0 C57
2020-05-24 15:14:16 S 17 05 17.040 +17 23 44.56 V C57
2020-05-24 15:14:16 s 1 -188905.31 1 +160030.82 2100.0 C57
2020-05-24 16:14:16 S 17 05 15.610 +17 23 51.47 V C57
2020-05-24 16:14:16 s 1 -188630.42 8 +155544.27 4930.0 C57
2020-05-24 16:44:16 S 17 05 15.144 +17 23 56.15 V C57
2020-05-24 16:44:16 s 1 -188468.05 8 +153280.46 9880.0 C57
2020-05-24 17:14:16 S 17 05 14.446 +17 23 59.60 V C57
2020-05-24 17:14:16 s 1 -188288.66 5 +151002.87 3540.0 C57
2020-05-24 18:14:16 S 17 05 13.200 +17 24 07.13 V C57
2020-05-24 18:14:16 s 1 -187877.54 3 +146406.13 6120.0 C57
2020-05-24 18:44:16 S 17 05 12.214 +17 24 10.40 V C57
2020-05-24 18:44:16 s 1 -187645.16 0 +144086.86 4560.0 C57
2020-05-24 19:14:16 S 17 05 11.938 +17 24 13.25 V C57
2020-05-24 19:14:16 s 1 -187394.44 2 +141753.57 780.0 C57
2020-05-24 19:44:16 S 17 05 11.371 +17 24 17.03 V C57
2020-05-24 19:44:16 s 1 -187125.04 0 +139406.21 4500.0 C57
2020-05-24 20:44:16 S 17 05 09.936 +17 24 24.52 V C57
2020-05-24 20:44:16 s 1 -186528.72 3 +134669.05 3440.0 C57
2020-05-24 21:14:16 S 17 05 09.274 +17 24 30.56 V C57
2020-05-24 21:14:16 s 1 -186201.05 4 +132279.14 8090.0 C57
2020-05-24 21:52:21 C 17 04 36.97 +17 24 53.1 V Z43
2020-05-24 22:08:11 C 17 04 36.69 +17 24 54.9 V Z43
2020-05-24 22:15:32 C 17 04 36.51 +17 24 54.6 V Z80
2020-05-24 22:24:06 C 17 04 36.36 +17 24 55.3 V Z80
2020-05-24 22:26:00 C 17 04 36.32 +17 24 56.0 V Z43
2020-05-24 22:29:07 C 17 04 36.23 +17 24 55.1 V Z80
2020-05-24 22:34:07 C 17 04 36.12 +17 24 56.1 V Z80
2020-05-24 23:05:53 C 17 04 35.54 +17 24 59.2 V Z43
2020-05-24 23:14:16 S 17 05 06.742 +17 24 42.62 V C57
2020-05-24 23:14:16 s 1 -184684.29 2 +122576.11 7780.0 C57
2020-05-24 23:22:01 C 17 04 35.20 +17 25 01.2 V Z43
2020-05-24 23:44:16 S 17 05 05.945 +17 24 49.14 V C57
2020-05-24 23:44:16 s 1 -184251.45 4 +120114.26 1410.0 C57
2020-05-25 00:44:16 S 17 05 04.697 +17 24 56.09 V C57
2020-05-25 00:44:16 s 1 -183318.23 5 +115146.95 2770.0 C57
2020-05-25 02:14:16 S 17 05 02.299 +17 25 08.76 V C57
2020-05-25 02:14:16 s 1 -181742.21 9 +107586.41 4640.0 C57
2020-05-25 03:14:16 S 17 05 01.126 +17 25 15.89 V C57
2020-05-25 03:14:16 s 1 -180568.00 4 +102472.67 1260.0 C57
2020-05-25 04:14:16 S 17 04 59.669 +17 25 23.99 V C57
2020-05-25 04:14:16 s 1 -179289.72 7 +97300.044 6270.0 C57